Trader professionista opzioni binarie demony
If you lose, you pay the stake minus a possible loss payout. Youre trading not against the market, but against the broker. The broker needs you to lose, otherwise he would not make any profit. Even if he really pays out your wins, and even if he does not manipulate the price curve, he can still control your profit with his payout factors.
So it seems that even if trader professionista opzioni binarie demony had a winning system, the broker would just reduce the payout for making sure that you lose in the long run.